CN209885319U - High-efficient diaphragm filter press - Google Patents

Abstract

The utility model relates to a high-efficient membrane filter press, including host computer and hydraulic means, the host computer includes the frame and is no less than two diaphragm filter plates, the side that the diaphragm filter plate is close to each other all is provided with the filter cloth, forms the filter chamber between two adjacent diaphragm filter plates, be provided with the fluid-discharge tube on the diaphragm filter plate, the one end of fluid-discharge tube is fixed on the diaphragm filter plate and all communicates with the filter chamber of diaphragm filter plate both sides, still includes filtration apparatus again, filtration apparatus includes the filter tube that figure and fluid-discharge tube figure are the same again, the filter tube is fixed in the fluid-discharge tube and is kept away from the one end with the diaphragm filter plate, be provided with smart filter cloth in the filter tube, the aperture of smart filter. The filter tube is fixed on the drain tube, the aperture of fine filter cloth arranged in the filter tube is smaller than that of filter cloth in the filter chamber, and liquid after solid-liquid separation from the filter chamber is further filtered, so that the solid-liquid separation is more thorough.

Description

High-efficient diaphragm filter press

Technical Field

The utility model relates to a filter-pressing technical field especially relates to a high-efficient membrane filter press.

Background

A membrane filter press, i.e., a membrane filter press, is widely used in various fields requiring solid-liquid separation. The membrane filter press is a filter press which is provided with a layer of elastic membrane between a membrane filter plate and filter cloth. In the use process of the diaphragm type filter press, after the feeding is finished, high-pressure fluid or gas medium can be injected into the diaphragm plate, so that the whole diaphragm expands to press a filter cake, and further the further dehydration of the filter cake is realized.

Fig. 1 is a prior art membrane filter press, which includes a main frame 1 and a hydraulic device 2. The main body 1 comprises a frame 11, a thrust plate 12 and a plurality of diaphragm filter plates 13. The hydraulic device 2 includes a cylinder 21 and a pressing plate 22. The top end of the piston rod of the oil cylinder 21 is fixed with the center of the pressing plate 22. The frame 11 comprises two beams 111 parallel to each other and located on the same horizontal plane. The thrust plate 12 and the pressing plate 22 are respectively located at two ends of the two cross beams 111 and are parallel to each other, two sides of the thrust plate 12 are fixed on the two cross beams 111, and two sides of the pressing plate 22 are respectively connected with the two cross beams 111 at two sides in a sliding manner. The plurality of membrane filter plates 13 are parallel to the thrust plate 12 and are arranged between the thrust plate 12 and the pressing plate 22, and two sides of each membrane filter plate 13 are respectively connected to the two cross beams 111 in a sliding manner. A filter chamber is formed between two adjacent membrane filter plates 13. The lower end of one side of each membrane filter plate 13 is provided with a liquid discharge pipe 131, the liquid discharge pipe 131 is communicated with a filter chamber formed by two sides of each membrane filter plate 13, and a valve is arranged on the liquid discharge pipe 131. The liquid tank 3 parallel to the cross beam 111 is correspondingly arranged on the lower side of the liquid discharge pipe 131, so that liquid separated from solid and liquid can be conveniently stored and discharged.

The above prior art solutions have the following drawbacks: in the actual production process, the liquid discharged from the liquid discharge pipe 131 often contains fine particles of impurities, and the solid-liquid separation is not complete.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high-efficient membrane filter press further filters from straining chamber exhaust liquid, makes solid-liquid separation more thorough.

The above object of the present invention can be achieved by the following technical solutions: the utility model provides a high-efficient diaphragm filter press, includes host computer and hydraulic means, the host computer includes the frame and is no less than two diaphragm filter plates, the side that the diaphragm filter plate is close to each other all is provided with the filter cloth, forms the filter chamber between two adjacent diaphragm filter plates, be provided with the fluid-discharge tube on the diaphragm filter plate, the one end of fluid-discharge tube is fixed on the diaphragm filter plate and all communicates with the filter chamber of diaphragm filter plate both sides, still includes filter equipment again, filter equipment includes the filter tube that figure and fluid-discharge tube figure are the same again, the filter tube is fixed in the fluid-discharge tube and is kept away from the one end with the diaphragm filter plate, be provided with smart filter cloth in the filter tube, the aperture.

By adopting the technical scheme, the filter tube is fixed on the drain tube, the aperture of the fine filter cloth arranged in the filter tube is smaller than that of the filter cloth in the filter chamber, and the liquid subjected to solid-liquid separation in the filter chamber is further filtered, so that the solid-liquid separation is more thorough.

The utility model discloses further set up to: the utility model discloses a filter plate, including the filter tube, be provided with the collar in the filter tube, the axis coincidence of collar and filter tube, one side that the collar is close to the fluid-discharge tube is provided with fixed annular along circumference, smart filter cloth is fixed in one side that the collar set up fixed annular, the fluid-discharge tube is kept away from and is pegged graft in the filter tube and transition fit with the fixed one end of diaphragm filter plate, the fluid-discharge tube is kept away from and is filtered the cloth butt with the fixed one end terminal surface of diaphragm filter plate and the essence in the fixed annular.

By adopting the technical scheme, the liquid discharge pipe is spliced with the filter pipe, so that the filter pipe is convenient to mount and dismount, the fine filter cloth is further fixed after the liquid discharge pipe is spliced, and the mounting and working stability of the fine filter cloth is improved.

The utility model discloses further set up to: and a rubber ring is arranged on the inner side wall of the filter pipe along the circumferential direction.

Through adopting above-mentioned technical scheme, increase the stability of fluid-discharge tube and chimney filter grafting.

The utility model discloses further set up to: the filter tube is far away from the one end of fluid-discharge tube and installs a connecting pipe, the one end that the connecting pipe was kept away from and the filter tube is all with same root collecting pipe intercommunication and fixed, the axis of connecting pipe and the axis of collecting pipe are perpendicular.

Through adopting above-mentioned technical scheme, pass through connecting pipe and collector pipe intercommunication with the chimney filter for discharge from the collector pipe after liquid gathers after the secondary filters.

The utility model discloses further set up to: the filter tube is connected with the connecting tube through threads.

Through adopting above-mentioned technical scheme, the chimney filter can be dismantled, is convenient for the maintenance and the change of chimney filter.

The utility model discloses further set up to: an extension board is connected respectively at the both ends of collecting pipe, the extension board is fixed in the frame, and the upper end of two extension boards all is provided with the slide opening, the upside pore wall of slide opening is provided with fixed opening, all be provided with the installation component on the extension board, the installation component includes mounting groove, spring, ejector pad, pull rod, fixed slot and handle hole, the mounting groove sets up on slide opening downside pore wall and corresponding with fixed opening, the cell wall of mounting groove and the lower extreme fixed connection of spring, the upper end of spring is fixed with the downside of ejector pad, the handle hole sets up in one side of extension board and with the mounting groove intercommunication, the one end of pull rod is passed handle hole and ejector pad sliding connection, when the upside that the downside butt of upper end of ejector pad and collecting pipe correspond the ejector pad is located fixed opening, fluid-discharge tube and chimney are pegged graft fixedly.

Through adopting above-mentioned technical scheme, the operation pull rod can be pulled the ejector pad to being located the mounting groove completely, does not influence the slip of the tip of collecting pipe in the slide opening. When the tip of collecting pipe slides the notch of mounting groove, the spring upwards promotes the collecting pipe to upside push pedal and the ascending effort of collecting pipe under no exogenic action, makes the collecting pipe upside be located fixed opening and the chimney filter on the collecting pipe and the fluid-discharge tube that corresponds peg graft.

The utility model discloses further set up to: the upper side surface of the push block is provided with a cambered surface matched with the collecting pipe.

By adopting the technical scheme, the stability that the collecting pipe is pushed to move upwards by the elasticity of the spring on the push block or moves downwards by other external force is improved.

The utility model discloses further set up to: two fixing grooves are formed in the groove wall of one side, opposite to the operation hole, of the mounting groove and are distributed up and down, and when one end of the pull rod is located in the fixing groove on the lower side, the push block is completely located in the mounting groove; when one end of the pull rod is positioned in the fixing groove on the upper side, the liquid discharge pipe is connected with the filter pipe in an inserting mode.

By adopting the technical scheme, the lower side fixing groove is convenient for the pull rod to fix the push block in the mounting groove; the stability of the fixed collecting pipe of upside fixed slot increase spring and ejector pad.

The utility model discloses further set up to: and a placing groove is formed in one end, far away from the mounting groove, of the lower side hole wall of the sliding hole.

Through adopting above-mentioned technical scheme, when need not using the refilter, can slide the both ends of collecting pipe to the standing groove in, increase the stability that the collecting pipe was placed.

To sum up, the utility model discloses a beneficial technological effect does:

1. the end part of the liquid discharge pipe is connected with a filter pipe, the aperture of fine filter cloth arranged in the filter pipe is smaller than that of filter cloth in the filter chamber, and liquid discharged from the filter chamber is further filtered, so that solid-liquid separation is more thorough;

2. the filter tube and the liquid discharge tube are detachably connected, so that the filter tube is convenient to maintain and replace;

3. the filter pipes are fixed on the same collecting pipe through connecting pipes, so that the integral installation of the filter pipes and the liquid discharge pipe is facilitated;

4. the adjustable dismantlement of collecting pipe is convenient for install and dismantle the chimney filter as required.

Drawings

FIG. 1 is a schematic view of the overall structure of a membrane filter press according to the prior art;

fig. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

fig. 4 is a schematic partial cross-sectional view of the present invention;

fig. 5 is a schematic partial cross-sectional view of the present invention.

Reference numerals: 1. a host; 11. a frame; 111. a cross beam; 12. a thrust plate; 13. a diaphragm filter plate; 131. a liquid discharge pipe; 2. a hydraulic device; 21. an oil cylinder; 22. a compression plate; 3. a liquid bath; 4. a re-filtering device; 41. a filter tube; 411. fine filter cloth; 412. a mounting ring; 413. a fixed ring groove; 414. a rubber ring; 42. a connecting pipe; 43. a collector pipe; 44. a support plate; 441. a slide hole; 442. mounting the component; 4421. mounting grooves; 4422. a spring; 4423. a push block; 4424. a pull rod; 4425. fixing grooves; 4426. a fixed opening; 4427. an operation hole; 443. and (6) placing the groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 2, for the utility model discloses a high-efficient membrane filter press, including host computer 1, hydraulic means 2, cistern 3. The main body 1 comprises a frame 11, a thrust plate 12 and a plurality of diaphragm filter plates 13. The hydraulic device 2 includes a cylinder 21 and a pressing plate 22. The top end of the piston rod of the oil cylinder 21 is fixed with the center of the pressing plate 22. The frame 11 comprises two beams 111 parallel to each other and located on the same horizontal plane. The thrust plate 12 and the pressing plate 22 are respectively located at two ends of the two cross beams 111 and are parallel to each other, two sides of the thrust plate 12 are fixed on the two cross beams 111, and two sides of the pressing plate 22 are respectively connected with the two cross beams 111 at two sides in a sliding manner. The plurality of membrane filter plates 13 are parallel to the thrust plate 12 and are arranged between the thrust plate 12 and the pressing plate 22, and two sides of each membrane filter plate 13 are respectively connected to the two cross beams 111 in a sliding manner. A filter chamber is formed between two adjacent membrane filter plates 13, and filter cloth (not shown) is fixed on the side surfaces of the membrane filter plates 13 close to each other. The lower end of one side of each membrane filter plate 13 is provided with a liquid discharge pipe 131, the liquid discharge pipe 131 is communicated with a filter chamber formed by two sides of each membrane filter plate 13, and a valve is arranged on the liquid discharge pipe 131. The liquid tank 3 parallel to the cross beam 111 is correspondingly arranged on the lower side of the liquid discharge pipe 131, so that liquid separated from solid and liquid can be conveniently stored and discharged.

With reference to fig. 2 and 3, the membrane filter press also comprises a re-filtering device 4 for further filtering the liquid discharged from the filter chamber. The refilter assembly 4 includes the same number of filter tubes 41 and connecting tubes 42 as the number of drain tubes 131, a manifold 43 parallel to the beam 111, and two brackets 44 fixed to the frame 11 at each end of the tank 3.

Referring to fig. 3 and 4, the filter tube 41 is fitted over the end of the drain tube 131 remote from the membrane filter plate 13. The lower end of the filter tube 41 is threaded with external threads, the upper end of the connection tube 42 is threaded with internal threads, and the lower end of the filter tube 41 is in threaded connection with the upper end of the connection tube 42. The lower end of the connecting pipe 42 is fixedly communicated with the collecting pipe 43, the axis of the connecting pipe 42 is vertical to the axis of the collecting pipe 43, and the connecting pipe 42 is communicated with the filter pipe 41 and the collecting pipe 43. A coaxial mounting ring 412 is integrally formed on the inner side of one end of the filter tube 41 close to the connecting tube 42, a fixing ring groove 413 is formed on one side surface of the mounting ring 412 close to the liquid discharge tube 131 along the circumferential direction, a fine filter cloth 411 covers the annular opening of the mounting ring 412, the aperture of the fine filter cloth 411 is smaller than that of the filter cloth on the membrane filter plate 13, and the fine filter cloth 411 extends outwards to the bottom of the fixing ring groove 413. The outer diameter of the drain pipe 131 is the same as the inner diameter of the filtration pipe 41. One end of the drain pipe 131, which is far away from the diaphragm filter plate 13, is inserted into the fixing ring groove 413, and the end surface of the drain pipe 131 is abutted against the fine filter cloth 411 on the groove bottom wall of the fixing ring groove 413. In order to increase the stability of the insertion connection between the drain pipe 131 and the filter pipe 41, an annular groove is formed in the inner wall of the upper end of the filter pipe 41, a rubber ring 414 is embedded and adhered in the annular groove, the inner diameter of the rubber ring 414 is slightly smaller than that of the filter pipe 41, and the inner side surface of the rubber ring 414 is abutted to the outer wall of the drain pipe 131.

Referring to fig. 3 and 5, the upper end of the support plate 44 is provided with a slide hole 441, the slide hole 441 extends along the horizontal direction away from the frame 11, and one end of the slide hole 441 close to the frame 11 penetrates through the slide hole. Both ends of the manifold 43 are inserted into the slide holes 441 of the support plates 44, respectively, and are slidable in the longitudinal direction of the slide holes 441. To increase the ease of installation of the filter tubes 41, the brackets 44 are each provided with a set of mounting assemblies 442. The mounting assembly 442 includes a mounting slot 4421 disposed on the support plate 44, a spring 4422 disposed within the mounting slot 4421, and a retaining opening 4426 disposed on the support plate 44. The fixing opening 4426 is formed on the upper hole wall of the sliding hole 441, and the mounting groove 4421 and the fixing opening 4426 are formed on the lower hole wall of the sliding hole 441 in an opposite manner. The lower end of the spring 4422 is welded to the bottom wall of the mounting groove 4421, and the upper end of the spring 4422 is welded to a push block 4423. The upper side surface of the push block 4423 is provided with an inward concave arc surface which is matched with the lower side of the collecting pipe 43. In order to increase the operability of the push block 4423, the two support plates 44 are provided with operation holes 4427 communicated with the mounting groove 4421 along the vertical direction on the side surfaces away from each other, the push block 4423 is penetrated by a horizontal pull rod 4424 and is connected with the pull rod 4424 in a sliding manner, and one end of the pull rod 4424 far away from the push block 4423 penetrates through the operation hole 4427 and is positioned outside the support plates 44. Pressing the pull rod 4424 downward may adjust the push block 4423 to be fully seated in the mounting groove 4421. The spring 4422 pushes the push block 4423 and the bus bar 43 upward without an external force, so that the upper side of the bus bar 43 on the push block 4423 is positioned in the fixing opening 4426. In order to increase the stability of the push block 4423 being adjusted, two fixing grooves 4425 are formed in the groove wall of the mounting groove 4421 on one side opposite to the operating hole 4427, the two fixing grooves 4425 are distributed along the vertical direction, and when one end of the pull rod 4424 is inserted into the fixing groove 4425 on the lower side, the push block 4423 is completely positioned in the mounting groove 4421; when one end of the pull rod 4424 is inserted into the fixing groove 4425 on the upper side, the drain pipe 131 is inserted into the filter pipe 41. In order to increase the connection stability of the pull rod 4424 and the fixing groove 4425, a semicircular arc-shaped placing groove 443 matched with the collecting pipe 43 is formed at one end of the lower side hole wall of the sliding hole 441 away from the mounting groove 4421.

The implementation principle of the embodiment is as follows: the liquid separated from the drain pipe 131 is filtered again by the filtering pipe 41 and then discharged from the collecting pipe 43, so that the discharged liquid is cleaner and has less solid impurities.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (9)

1. The utility model provides a high-efficient diaphragm filter press, includes host computer (1) and hydraulic means (2), host computer (1) includes frame (11) and is no less than two diaphragm filter plates (13), the side that diaphragm filter plate (13) are close to each other all is provided with the filter cloth, forms the straining chamber between two adjacent diaphragm filter plates (13), be provided with fluid-discharge tube (131) on diaphragm filter plate (13), the one end of fluid-discharge tube (131) is fixed on diaphragm filter plate (13) and all communicates its characterized in that with the straining chamber of diaphragm filter plate (13) both sides: the novel filter is characterized by further comprising a re-filtering device (4), wherein the re-filtering device (4) comprises filter pipes (41) with the same number as that of the drain pipes (131), the filter pipes (41) are fixed at one ends, far away from the diaphragm filter plates (13), of the drain pipes (131), fine filter cloth (411) is arranged in the filter pipes (41), and the pore diameter of the fine filter cloth (411) is smaller than that of the filter cloth.

2. A high efficiency membrane filter press as claimed in claim 1, wherein: be provided with collar (412) in filter tube (41), the axis coincidence of collar (412) and filter tube (41), one side that collar (412) are close to fluid-discharge tube (131) is provided with fixed ring groove (413) along circumference, smart filter cloth (411) are fixed in one side that collar (412) set up fixed ring groove (413), fluid-discharge tube (131) are kept away from and are pegged graft in filter tube (41) and transition fit with the fixed one end of diaphragm filter plate (13), fluid-discharge tube (131) are kept away from and are filtered smart filter cloth (411) butt in the fixed one end terminal surface of diaphragm filter plate (13) and fixed ring groove (413).

3. A high efficiency membrane filter press as claimed in claim 2, wherein: and a rubber ring (414) is arranged on the inner side wall of the filter pipe (41) along the circumferential direction.

4. A high efficiency membrane filter press as claimed in claim 2, wherein: one end of the filter pipe (41) far away from the liquid discharge pipe (131) is provided with a connecting pipe (42), one end of the connecting pipe (42) far away from the filter pipe (41) is communicated and fixed with the same collecting pipe (43), and the axis of the connecting pipe (42) is vertical to the axis of the collecting pipe (43).

5. A high efficiency membrane filter press as claimed in claim 4, wherein: the filter tube (41) is in threaded connection with the connecting tube (42).

6. A high efficiency membrane filter press as claimed in claim 4, wherein: the two ends of the collecting pipe (43) are respectively connected with a support plate (44), the support plates (44) are fixed on a rack (11), the upper ends of the two support plates (44) are respectively provided with a sliding hole (441), the upper side hole wall of the sliding hole (441) is provided with a fixed opening (4426), the support plates (44) are respectively provided with a mounting component (442), the mounting component (442) comprises a mounting groove (4421), a spring (4422), a push block (4423), a pull rod (4424), a fixed groove (4425) and an operating hole (4427), the mounting groove (4421) is arranged on the lower side hole wall of the sliding hole (441) and corresponds to the fixed opening (4426), the bottom wall of the mounting groove (4421) is fixedly connected with the lower end of the spring (4422), the upper end of the spring (4422) is fixed with the lower side of the push block (4423), the operating hole (4427) is arranged on one side of the support plate (44) and is communicated with the mounting groove (, one end of the pull rod (4424) penetrates through the operation hole (4427) and the push block (4423) and is connected with the push block (4423) in a sliding mode, the upper end of the push block (4423) is abutted to the lower side of the collecting pipe (43), and when the collecting pipe (43) is located in the fixing opening (4426) corresponding to the upper side of the push block (4423), the drain pipe (131) and the filter pipe (41) are fixedly inserted.

7. A high efficiency membrane filter press as claimed in claim 6 wherein: the upper side surface of the push block (4423) is provided with an inwards concave cambered surface matched with the collecting pipe (43).

8. A high efficiency membrane filter press as claimed in claim 6 wherein: two fixing grooves (4425) are formed in the groove wall of one side, opposite to the operation hole (4427), of the mounting groove (4421), the two fixing grooves (4425) are distributed up and down, and when one end of the pull rod (4424) is located in the fixing groove (4425) on the lower side, the push block (4423) is completely located in the mounting groove (4421); when one end of the pull rod (4424) is positioned in the fixing groove (4425) on the upper side, the drain pipe (131) is inserted with the filter pipe (41).

9. A high efficiency membrane filter press as claimed in claim 6 wherein: and a placing groove (443) is arranged at one end, away from the mounting groove (4421), of the lower side hole wall of the sliding hole (441).

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